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Segment Information - Summary of Assets by Segment (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information
Assets	$ 13,869,547	$ 13,871,281	$ 13,216,269
Long-lived assets	9,728,140	10,231,817	9,553,588
Macau
Segment Reporting Information
Long-lived assets	3,989,797	4,321,970	4,387,051
United States
Segment Reporting Information
Long-lived assets	5,738,343	5,909,847	5,166,537
Corporate and Other
Segment Reporting Information
Assets	1,954,064	2,193,396	2,727,163
Operating Segments | Macau Operations
Segment Reporting Information
Assets	6,622,597	6,414,246	5,831,312
Operating Segments | Las Vegas Operations
Segment Reporting Information
Assets	2,992,870	2,806,972	2,792,508
Operating Segments | Encore Boston Harbor
Segment Reporting Information
Assets	2,300,016	2,456,667	1,865,286
Wynn Palace | Operating Segments | Macau Operations
Segment Reporting Information
Assets	3,393,790	3,734,210	3,858,904
Wynn Macau | Operating Segments | Macau Operations
Segment Reporting Information
Assets	1,202,709	1,656,625	1,903,921
Other Macau | Operating Segments | Macau Operations
Segment Reporting Information
Assets	$ 2,026,098	$ 1,023,411	$ 68,487

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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